<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // var arr=[10,30,4];
        // var flag = arr.some(function(value,index,array){
        //     //return value < 3;
        //     return value >20;
        // });
        // console.log(flag);

        var arr1 = ['red','pink','blue'];
        var flag1 = arr1.some(function(value,index,array){
            return value == 'pink';
        });
        console.log(flag1);
    </script>
</body>
</html>